FOUR CORNERS NEPHROLOGY ASSOCIATES PC
NPI 1417112178
Internal Medicine - Nephrology in Durango, CO
About Four Corners Nephrology Associates Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
FOUR CORNERS NEPHROLOGY ASSOCIATES PC (NPI 1417112178) is a healthcare organization registered as a nephrology in Durango, Colorado and active in the NPI registry since July 2008. The organization lists Billie Stolworthy, Office Manager, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Four Corners Nephrology Associates Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by December 31, 2026
Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.
Clinicians Billing Medicare Through This Organization
3Medicare enrollment records show 3 clinicians reassign Medicare billing to Four Corners Nephrology Associates PC, which bills Medicare for the services they deliver. They are listed nearest first.
Clinicians, nearest first (3)
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Four Corners Nephrology Associates PC's NPI number?
The NPI number for Four Corners Nephrology Associates PC is 1417112178. It was assigned to this organization in the NPPES registry on July 22, 2008.
Where is Four Corners Nephrology Associates PC located?
Four Corners Nephrology Associates PC is located at 1902 E 2nd Ave, Durango, CO 81301. The listed phone number is (505) 326-6521.
What is Four Corners Nephrology Associates PC's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Four Corners Nephrology Associates PC enrolled in Medicare?
Yes. Four Corners Nephrology Associates PC is registered in the Medicare PECOS enrollment system.
When is Four Corners Nephrology Associates PC's Medicare revalidation due?
According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Arizona, Clinic/Group Practice) is due for revalidation by December 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.
How many clinicians bill Medicare through Four Corners Nephrology Associates PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to Four Corners Nephrology Associates PC, in Nephrology and Neurology. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Four Corners Nephrology Associates PC was last updated on March 19, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Four Corners Nephrology Associates Pc · NPI 1417112178
Nephrology organization in Durango, Colorado. Organization record, active in the CMS NPPES registry since July 22, 2008.
## Identity
- **NPI:** 1417112178 (Entity type: Organization)
- **Enumerated:** July 22, 2008
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** Billie Stolworthy, OFFICE MANAGER
## Practice location
- **Address:** 1902 E 2ND AVE, Durango, CO 81301-5021
- **Phone:** (505) 326-6521 · **Fax:** (505) 325-6699
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** December 31, 2026 (Non-DME Part B, Arizona, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 3 clinicians in 2 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nephrology (2), Neurology (1) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** March 19, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1417112178) · Data from the CMS NPPES public registry.